258858256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{394601}}^1$

素因数の和:394650

約数の個数: 20

約数和(自身を含む): 513771804

約数和(自身を除く): 254913548

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 394601, 789202, 1578404, 3156808, 6313616, 16178641, 32357282, 64714564, 129429128, 258858256]

約数ペア:

[(1, 258858256), (2, 129429128), (4, 64714564), (8, 32357282), (16, 16178641), (41, 6313616), (82, 3156808), (164, 1578404), (328, 789202), (656, 394601)]